Preparation, Characterization and Photoelectrochemical Activities of Cu-TiO_2/ITO Films

Authors

Dong SHU, *1, 2), HE Chun~(2), ZHANG Han-xia~(3), XIONG Ya~(3) (1. School of Physics and Engineering, Sun Yat-sen (Zhongshan) University, Guangzhou 510275,China, 2. Department of Chemistry, Zhaoqing University, Zhaoqing 526061, China,3.School of Chemistry and Chemical Engineering, Sun Yat-sen( Zhongshan) University, Guangzhou 510275, China;

Abstract

Cu-TiO_(2)/ITO films were prepared by direct photo-reduction deposition of Cu~(2+) on TiO_(2)/ITO films. The nanocomposite films were characterized by UV-vis diffuse reflectance spectra (DRS), XRD spectra, Scanning Electron Microscope (SEM) technology, and photovoltage measurement. The feasibility of improving the photocatalytic activity of TiO_(2) film by combining the modification of Cu nanoparticles with the application of anodic bias was investigated. The experimental results showed that the deposited Cu has an apparent enhancement effect with respect to suppressing the recombination between the photogenerated charge carriers and enhancing the photocatalytic oxidation of formic acid. The combination could promote the photocatalytic oxidation of formic acid on the film, with respect to the degradation of formic acid, the rate constant in PEC degradation of Cu-TiO_(2)/ITO film increased by a factor of 2.8 relative to that of TiO_(2)film.

Keywords

Photoelectrocatalysis, TiO_(2), Organic pollutants, Formic acid

DOI Link

https://doi.org/10.61558/2993-074X.1565

Publication Date

2004-05-28

Online Available Date

2004-05-28

Revised Date

2004-05-28

Received Date

2004-05-28

Recommended Citation

Dong SHU. Preparation, Characterization and Photoelectrochemical Activities of Cu-TiO_2/ITO Films[J]. Journal of Electrochemistry, 2004 , 10(2): 197-204.
DOI: 10.61558/2993-074X.1565
Available at: https://jelectrochem.xmu.edu.cn/journal/vol10/iss2/11

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